Of the following mechanisms in desert plants which would be the least effective in resisting drought:
Dying back of root hairs during a dry season
Expansion of total leaf surface area
Ability to store large amounts of water
Shedding leaves during the dry season
Thick walled seeds
An explanation follows.
When answering this question think of the consequences of each of these adaptations, and also try to think of desert plants that you may know of already, especially the cactus, a plant that is very well adapted to living in dry climates.
- If the plant cuts down on its root hairs, this ...
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